.page-faq {
  --faq-index-w: 248px;
  --faq-pad-x: 40px;
  background: var(--ink-000);
  color: var(--paper);
  overflow-x: hidden;
}

.page-faq .container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 5vw, 52px) 0 clamp(34px, 6vw, 68px);
  background:
    radial-gradient(115% 95% at 84% -10%, rgba(61, 245, 224, 0.16), transparent 62%),
    radial-gradient(85% 75% at 4% 6%, rgba(255, 106, 61, 0.14), transparent 60%),
    var(--ink-100);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero .breadcrumb {
  margin: 0 0 clamp(20px, 4vw, 36px);
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--cyan);
}

.page-faq .faq-hero .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}

.page-faq .faq-hero__lead .eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2.1rem, 7.2vw, 4.2rem);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.025em;
  max-width: 15ch;
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.82);
}

.page-faq .faq-hero__chips {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-hero__chips li {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-200);
  aspect-ratio: 16 / 7;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-faq .faq-main {
  min-width: 0;
}

/* ---------- 目录 ---------- */
.page-faq .faq-index {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-faq .faq-index__head {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-index__list a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(61, 245, 224, 0.07);
}

.page-faq .faq-index__list a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .faq-index__list .num {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-index__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 245, 224, 0.4);
}

/* ---------- 工具条 ---------- */
.page-faq .faq-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-faq .filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

.page-faq .filter-btn {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .filter-btn:hover {
  color: var(--paper);
  border-color: var(--muted);
}

.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink-000);
  font-weight: 700;
}

.page-faq .filter-btn:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .faq-tally {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-tally .filter-count {
  font-family: var(--font-num);
  font-size: 15px;
  color: var(--cyan);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  padding: clamp(30px, 4.5vw, 50px) 0 6px;
  scroll-margin-top: calc(var(--bar-h) + 20px);
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  row-gap: 6px;
  align-items: baseline;
  margin-bottom: 18px;
}

.page-faq .faq-sec__no {
  grid-row: 1 / span 2;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.06em;
  padding-top: 6px;
}

.page-faq .faq-sec h2 {
  margin: 0;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-faq .faq-sec__head p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  border-top: 1px solid var(--line);
  transition: background 0.2s var(--ease);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: baseline;
  padding: 16px 8px 16px 4px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-size: 15px;
  line-height: 1.6;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary:hover {
  color: var(--cyan);
  background: rgba(61, 245, 224, 0.05);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-faq .faq-item__no {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-faq .faq-item > summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-item[open] > summary {
  color: var(--paper);
  background: rgba(17, 28, 46, 0.7);
}

.page-faq .faq-item[open] > summary::after {
  content: "\2212";
  color: var(--orange);
}

.page-faq .faq-item[open] .faq-item__no {
  color: var(--orange);
}

.page-faq .faq-item__a {
  padding: 4px 8px 20px var(--faq-pad-x);
  animation: faq-fade 0.24s var(--ease) both;
}

@keyframes faq-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.8);
}

.page-faq .faq-item__a p + p {
  margin-top: 10px;
}

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 245, 224, 0.4);
}

.page-faq .faq-item__a a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-faq .faq-item__a .num {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--cyan);
}

/* ---------- 步骤编号 ---------- */
.page-faq .steps {
  margin: 14px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 9px;
}

.page-faq .steps li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(245, 241, 232, 0.72);
}

.page-faq .steps .num {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  color: var(--green);
  text-align: right;
  padding-top: 1px;
}

/* ---------- 账号章节两栏 ---------- */
.page-faq .acct-split {
  display: grid;
  gap: 20px;
}

.page-faq .acct-split__faq {
  min-width: 0;
}

.page-faq .faq-shot {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-200);
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-shot figcaption {
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-next {
  margin-top: clamp(34px, 5vw, 60px);
}

.page-faq .faq-next__panel {
  padding: clamp(24px, 4vw, 42px);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    radial-gradient(90% 130% at 100% 0%, rgba(61, 245, 224, 0.13), transparent 60%),
    var(--ink-100);
}

.page-faq .faq-next h2 {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.page-faq .faq-next p {
  margin: 0 0 20px;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.78);
}

.page-faq .faq-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-next__links .btn {
  font-size: 14px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .page-faq .faq-item > summary {
    font-size: 16px;
    padding: 18px 10px 18px 4px;
  }

  .page-faq .faq-item__a {
    padding-left: var(--faq-pad-x);
  }

  .page-faq .acct-split {
    grid-template-columns: 1.35fr 1fr;
    gap: 24px;
    align-items: start;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar-h) + 26px);
    border-top: none;
    border-left: 1px solid var(--line);
    padding-top: 0;
    padding-left: 18px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-faq .faq-index__list a {
    display: flex;
    width: 100%;
    box-sizing: border-box;
    border: none;
    border-radius: 0;
    padding: 9px 10px;
    color: var(--muted);
    font-size: 14px;
  }

  .page-faq .faq-index__list a:hover {
    background: rgba(61, 245, 224, 0.07);
    color: var(--cyan);
  }

  .page-faq .faq-index__note {
    margin-top: 18px;
    font-size: 12.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__a {
    animation: none;
  }

  .page-faq .faq-item > summary,
  .page-faq .filter-btn,
  .page-faq .faq-index__list a {
    transition: none;
  }
}
<<<END>>>